Move the date at which all JPEG photos in the current directory were taken 1 day and 2 hours backward

Read and write meta information in files.
More information: <https://exiftool.org>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

exiftool "-AllDates-=0:0:1 2:0:0" -ext jpg

click the source code to copy install exiftool on any operating system with command-not-found.com